US Copper Stockpiles Surge on Tariff Threat
Trump tariff threats helped build a massive US copper stockpile exceeding one million tons. However, shrinking arbitrage is slowing flows as traders await a January decision.
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United States accumulated more than 1 million metric tons of Copper following tariff threats, but import flows are slowing down. The policy shifted roughly 70% of visible global inventories into domestic warehouses without spending public funds. This massive accumulation created severe shortages elsewhere, driving a price surge despite a broader global surplus.







